<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="js/vue.js"></script>
</head>
<body>
    <!-- vue的事件修饰符----阻止冒泡 -->
    <div id="app">
        <div class="class" @click="divClick">
            <button @click.stop="btnClick"></button>
        </div>
    </div>
    <script>
        let app = new Vue({
            el: "#app",
            data: {
            },
            methods: {
                divClick(){
                    console.log("div")
                },
                btnClick(){
                    console.log("btn")
                }
            }
        })
        // 原生JS document.stopPropagation() 阻止冒泡;
    </script>
</body>
</html>